| /* |
| * Copyright (c) 2008, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef CPU_ARM_VM_INTERPRETERRT_ARM_HPP |
| #define CPU_ARM_VM_INTERPRETERRT_ARM_HPP |
| |
| #include "memory/allocation.hpp" |
| |
| // native method calls |
| |
| class SignatureHandlerGenerator: public NativeSignatureIterator { |
| private: |
| MacroAssembler* _masm; |
| int _abi_offset; |
| int _ireg; |
| |
| #ifdef __ABI_HARD__ |
| #ifdef AARCH64 |
| int _freg; |
| #else |
| int _fp_slot; // number of FPR's with arguments loaded |
| int _single_fpr_slot; |
| #endif |
| #endif |
| |
| void move(int from_offset, int to_offset); |
| void box(int from_offset, int to_offset); |
| |
| void pass_int(); |
| void pass_long(); |
| void pass_float(); |
| void pass_object(); |
| #ifdef __ABI_HARD__ |
| void pass_double(); |
| #endif |
| public: |
| // Creation |
| SignatureHandlerGenerator(const methodHandle& method, CodeBuffer* buffer) : NativeSignatureIterator(method) { |
| _masm = new MacroAssembler(buffer); |
| _abi_offset = 0; |
| _ireg = is_static() ? 2 : 1; |
| #ifdef __ABI_HARD__ |
| #ifdef AARCH64 |
| _freg = 0; |
| #else |
| _fp_slot = 0; |
| _single_fpr_slot = 0; |
| #endif |
| #endif |
| } |
| |
| // Code generation |
| void generate(uint64_t fingerprint); |
| |
| }; |
| |
| #ifndef AARCH64 |
| // ARM provides a normalized fingerprint for native calls (to increase |
| // sharing). See normalize_fast_native_fingerprint |
| #define SHARING_FAST_NATIVE_FINGERPRINTS |
| #endif |
| |
| #endif // CPU_ARM_VM_INTERPRETERRT_ARM_HPP |